<?php

namespace app\admin\controller\config;

use app\admin\model\ConfigValueModel;
use app\common\controller\Backend;
use Exception;
use fast\Tree;
use think\Db;
use think\exception\DbException;
use think\exception\PDOException;
use think\exception\ValidateException;
use think\Model;
use think\response\Json;

/**
 * 配置选项管理
 *
 * @icon fa fa-circle-o
 */
class Value extends Backend
{

    /**
     * ConfigValueModel模型对象
     * @var \app\admin\model\ConfigValueModel
     */
    protected $model = null;
    protected $relationSearch = true;
    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\ConfigValueModel;

    }

    /**
     * 查看
     *
     * @return string|Json
     * @throws \think\Exception
     * @throws DbException
     */
    public function index()
    {
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if (false === $this->request->isAjax()) {
            return $this->view->fetch();
        }
        //如果发送的来源是 Selectpage，则转发到 Selectpage
        if ($this->request->request('keyField')) {
            return $this->selectpage();
        }

        $this->searchFields = 'config_value_model.option_name|parent.option_name';
        [$where, $sort, $order, $offset, $limit] = $this->buildparams();

        $list = $this->model
            ->with(['parent'])
            ->where($where)
            ->order(['pid' => 'asc', 'option_id' => 'asc'])
            ->paginate($limit);

        $result = ['total' => $list->total(), 'rows' => $list->items()];
        return json($result);
    }

    /**
     * 添加
     *
     * @return string
     * @throws \think\Exception
     */
    public function add()
    {
        if (false === $this->request->isPost()) {
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);

        if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
            $params[$this->dataLimitField] = $this->auth->id;
        }
        $cid = $this->request->param('cid');
        if ($cid == 3) {
            $pid = $this->model->getIdByCidOptionId(2, $params['pid']);
            $params['pid'] = $pid;
        }
        $params['cid'] = $cid;
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                $this->model->validateFailException()->validate($validate);
            }
            $exists = $this->model->getIdByCidOptionId($cid,$params['option_id']);
            if ($exists) {
                throw new Exception(sprintf('此分类下option_id:%s已存在', $params['option_id']));
            }
            $result = $this->model->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($result === false) {
            $this->error(__('No rows were inserted'));
        }
        $this->success();
    }

    /**
     * 编辑
     *
     * @param $ids
     * @return string
     * @throws DbException
     * @throws \think\Exception
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds) && !in_array($row[$this->dataLimitField], $adminIds)) {
            $this->error(__('You have no permission'));
        }
        if (false === $this->request->isPost()) {

            if($row->pid) {
                $p_option_id = $this->model->where('id', $row['pid'])->value('option_id');
                $row->p_option_id = $p_option_id;
            }

            $this->view->assign('row', $row);
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : $name) : $this->modelValidate;
                $row->validateFailException()->validate($validate);
            }
            $exists = $this->model
                ->where('id','<>', $ids)
                ->where('cid', $params['cid'])
                ->where('option_id',$params['option_id'])
                ->find();
            if ($exists) {
                throw new Exception(sprintf('此分类下option_id:%s已存在', $params['option_id']));
            }
            $result = $row->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if (false === $result) {
            $this->error(__('No rows were updated'));
        }
        $this->success();
    }


    protected function selectpage()
    {
        //设置过滤方法
        $this->request->filter(['trim', 'strip_tags', 'htmlspecialchars']);

        //搜索关键词,客户端输入以空格分开,这里接收为数组
        $word = (array)$this->request->request("q_word/a");
        //当前页
        $page = $this->request->request("pageNumber");
        //分页大小
        $pagesize = $this->request->request("pageSize");
        //搜索条件
        $andor = $this->request->request("andOr", "and", "strtoupper");
        //排序方式
        $orderby = (array)$this->request->request("orderBy/a");
        //显示的字段
        $field = $this->request->request("showField");
        //主键
        $primarykey = $this->request->request("keyField");
        //主键值
        $primaryvalue = $this->request->request("keyValue");
        //搜索字段
        $searchfield = (array)$this->request->request("searchField/a");
        //自定义搜索条件
        $custom = (array)$this->request->request("custom/a");
        //是否返回树形结构
        $istree = $this->request->request("isTree", 0);
        $ishtml = $this->request->request("isHtml", 0);
        if ($istree) {
            $word = [];
            $pagesize = 999999;
        }
        $order = [];
        foreach ($orderby as $k => $v) {
            $order[$v[0]] = $v[1];
        }
        $order['option_id'] = 'asc';
        $field = $field ? $field : 'name';

        //如果有primaryvalue,说明当前是初始化传值
        if ($primaryvalue !== null) {
            $pagesize = 999999;

        }

        if (isset($custom['cid']) && !empty($custom['pid'])) {
            $custom['pid'] = $this->model->getIdByCidOptionId(ConfigValueModel::TYPE_COMMUNITY, $custom['pid']);
        }

        $where = function ($query) use ($word, $andor, $field, $searchfield, $custom,$primarykey,$primaryvalue) {
            $logic = $andor == 'AND' ? '&' : '|';
            $searchfield = is_array($searchfield) ? implode($logic, $searchfield) : $searchfield;
            $searchfield = str_replace(',', $logic, $searchfield);
            $word = array_filter(array_unique($word));

            if ($primaryvalue !== null) {
                $query->where($primarykey,'in',$primaryvalue);
            }

            if (count($word) == 1) {
                $query->where($searchfield, "like", "%" . reset($word) . "%");
            } else {
                $query->where(function ($query) use ($word, $searchfield) {
                    foreach ($word as $index => $item) {
                        $query->whereOr(function ($query) use ($item, $searchfield) {
                            $query->where($searchfield, "like", "%{$item}%");
                        });
                    }
                });
            }
            if ($custom && is_array($custom)) {
                foreach ($custom as $k => $v) {
                    if (is_array($v) && 2 == count($v)) {
                        $query->where($k, trim($v[0]), $v[1]);
                    } else {
                        $query->where($k, '=', $v);
                    }
                }
            }
        };

        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds)) {
            $this->model->where($this->dataLimitField, 'in', $adminIds);
        }
        $list = [];
        $total = $this->model->where($where)->count();
        if ($total > 0) {
            if (is_array($adminIds)) {
                $this->model->where($this->dataLimitField, 'in', $adminIds);
            }

            $fields = is_array($this->selectpageFields) ? $this->selectpageFields : ($this->selectpageFields && $this->selectpageFields != '*' ? explode(',', $this->selectpageFields) : []);

            //如果有primaryvalue,说明当前是初始化传值,按照选择顺序排序
            if ($primaryvalue !== null && preg_match("/^[a-z0-9_\-]+$/i", $primarykey)) {
                $primaryvalue = array_unique(is_array($primaryvalue) ? $primaryvalue : explode(',', $primaryvalue));
                //修复自定义data-primary-key为字符串内容时，给排序字段添加上引号
                $primaryvalue = array_map(function ($value) {
                    return '\'' . $value . '\'';
                }, $primaryvalue);

                $primaryvalue = implode(',', $primaryvalue);

                $this->model->orderRaw("FIELD(`{$primarykey}`, {$primaryvalue})");
            } else {
                $this->model->order($order);
            }

            $datalist = $this->model->where($where)
                ->page($page, $pagesize)
                ->select();

            foreach ($datalist as $index => $item) {
                unset($item['password'], $item['salt']);
                if ($this->selectpageFields == '*') {
                    $result = [
                        $primarykey => $item[$primarykey] ?? '',
                        $field      => $item[$field] ?? '',
                    ];
                } else {
                    $result = array_intersect_key(($item instanceof Model ? $item->toArray() : (array)$item), array_flip($fields));
                }
                $result['pid'] = isset($item['pid']) ? $item['pid'] : (isset($item['parent_id']) ? $item['parent_id'] : 0);
                $list[] = $result;
            }
            if ($istree && !$primaryvalue) {
                $tree = Tree::instance();
                $tree->init(collection($list)->toArray(), 'pid');
                $list = $tree->getTreeList($tree->getTreeArray(0), $field);
                if (!$ishtml) {
                    foreach ($list as &$item) {
                        $item = str_replace('&nbsp;', ' ', $item);
                    }
                    unset($item);
                }
            }
        }
        //这里一定要返回有list这个字段,total是可选的,如果total<=list的数量,则会隐藏分页按钮
        if ($primaryvalue == 0 && empty($list)) {
            return json(['list' => [['option_id'=>0,'option_name'=>'无']], 'total' => 1]);
        }
        return json(['list' => $list, 'total' => $total]);
    }


}
